[PATCH] net: dsa: lan9303: fix variable 'res' set but not used

[Andrew Lunn]

Since lan9303_adjust_link() is a void function, there is no option to
return an error. So just remove the variable and lets any errors be
discarded.

Cc: Egil Hjelmeland <pri...@egil-hjelmeland.no>
Signed-off-by: Andrew Lunn <and...@lunn.ch>
---
 drivers/net/dsa/lan9303-core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index cc17a44dd3a8..aa1142d6a9f5 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -1042,7 +1042,7 @@ static void lan9303_adjust_link(struct dsa_switch *ds, 
int port,
                                struct phy_device *phydev)
 {
        struct lan9303 *chip = ds->priv;
-       int ctl, res;
+       int ctl;
 
        if (!phy_is_pseudo_fixed_link(phydev))
                return;
@@ -1063,15 +1063,14 @@ static void lan9303_adjust_link(struct dsa_switch *ds, 
int port,
        else
                ctl &= ~BMCR_FULLDPLX;
 
-       res =  lan9303_phy_write(ds, port, MII_BMCR, ctl);
+       lan9303_phy_write(ds, port, MII_BMCR, ctl);
 
        if (port == chip->phy_addr_base) {
                /* Virtual Phy: Remove Turbo 200Mbit mode */
                lan9303_read(chip->regmap, LAN9303_VIRT_SPECIAL_CTRL, &ctl);
 
                ctl &= ~LAN9303_VIRT_SPECIAL_TURBO;
-               res =  regmap_write(chip->regmap,
-                                   LAN9303_VIRT_SPECIAL_CTRL, ctl);
+               regmap_write(chip->regmap, LAN9303_VIRT_SPECIAL_CTRL, ctl);
        }
 }
 
-- 
2.27.0.rc2